<template>
  <div>
    <!-- 角色 -->
    <div class="search-btn">
      <el-button class="btn" @click="getTableData()"
        style="background-color: #4CAF50; color: white;margin-left: 10px; padding: 9px 15px 9px 15px">查询</el-button>
      <el-button type="primary" @click="addOrUpdateHandle()"
        style="margin-left: 10px; padding: 9px 15px 9px 15px">新增</el-button>
      <el-button type="danger" @click="onDelete()" :disabled="dataListSelections.length <= 0">批量删除</el-button>
    </div>
    <el-table border :data="tableData" v-loading="dataListLoading" @selection-change="selectionChangeHandle"
      style="width: 100%">
      <el-table-column type="selection" header-align="center" align="center" width="50">
      </el-table-column>
      <el-table-column prop="id" header-align="center" align="center" label="ID">
      </el-table-column>
      <el-table-column prop="role" header-align="center" align="center" label="角色名称">
      </el-table-column>
      <el-table-column fixed="right" header-align="center" align="center" width="150" label="操作">
        <template slot-scope="scope">
          <el-button type="primary" @click="addOrUpdateHandle(scope.row.id)" size="mini">修改</el-button>
          <el-button type="danger" @click="onDelete(scope.row.id)" size="mini">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination @size-change="sizeChangeHandle" @current-change="currentChangeHandle" :current-page="pageIndex"
      :page-sizes="[10, 20, 50, 100]" :page-size="pageSize" :total="totalPage"
      layout="total, sizes, prev, pager, next, jumper" style="margin-top: 10px">
    </el-pagination>
    <!-- 弹窗, 新增 / 修改 -->
    <add-or-update v-if="addOrUpdateVisible" ref="addOrUpdate" @refreshDataList="getTableData"
      :menuOptions="menuOptions"></add-or-update>
  </div>
</template>

<script>
  import AddOrUpdate from './add-or-update.vue';
  import { getDataList, delDataList } from '@/api/role';
  export default {
    name: 'UserPage',
    components: { AddOrUpdate },
    data() {
      return {
        dataForm: {},
        tableData: [],
        dataListLoading: false,
        dataListSelections: [],
        pageIndex: 1,
        pageSize: 10,
        totalPage: 0,
        addOrUpdateVisible: false,
        menuOptions: []
      };
    },
    created() {
      this.getTableData();
    },
    methods: {
      // 获取表格数据
      getTableData() {
        getDataList({
          ...this.dataForm,
          limit: this.pageSize,
          page: this.pageIndex,
        })
          .then((res) => {
            if (res && res.code === 0) {
              this.tableData = res.data.list;
              this.totalPage = res.data.totalCount;
            }
          })
          .catch((err) => {
            console.log(err);
          });
      },
      // 编辑
      addOrUpdateHandle(id) {
        this.addOrUpdateVisible = true;
        this.$nextTick(() => {
          this.$refs.addOrUpdate.init(id);
        });
      },
      // 删除
      onDelete(id) {
        var ids = id
          ? [id]
          : this.dataListSelections.map((item) => {
            return item.id;
          });
        this.$confirm(`确定对[id=${ids.join(',')}]进行[${id ? '删除' : '批量删除'}]操作?`, '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }).then(() => {
          delDataList(ids)
            .then((res) => {
              if (res && res.code === 0) {
                this.$message({
                  message: '操作成功',
                  type: 'success',
                  duration: 1500,
                  onClose: () => {
                    this.getTableData();
                  },
                });
              }
            })
            .catch((err) => {
              console.log(err);
            });
        });
      },
      // 多选
      selectionChangeHandle(val) {
        this.dataListSelections = val;
      },
      // 每页数
      sizeChangeHandle(val) {
        this.pageSize = val;
        this.pageIndex = 1;
        this.getTableData();
      },
      // 当前页
      currentChangeHandle(val) {
        this.pageIndex = val;
        this.getTableData();
      },
    },
  };
</script>

<style scoped>
  .search-btn {
    margin-bottom: 10px;
  }

  .btn:hover {
    opacity: 0.4;
  }
</style>